Hi Denis, I've created summary of terms here https://cwiki.apache.org/confluence/display/IGNITE/Ignite+Durable+Memory+-+under+the+hood#IgniteDurableMemory-underthehood-Eviction,rotationandexpiration
Hope this should solve a lot of miscommunications. In this thread I meant only Expiration (aka TTL) Sincerely, Dmitriy Pavlov вт, 13 мар. 2018 г. в 10:50, Alexey Goncharuk <alexey.goncha...@gmail.com>: > Denis, > > What do you mean by 'current behavior when data is evicted from the memory > only'? TTL expiration effectively means that the corresponding key-value > pairs are destroyed. If you are talking about page replacement, then there > is no way to do this on per-key basis because a page must be replaced as a > whole and it makes no sense to track keys. > > --AG > > 2018-03-13 0:03 GMT+03:00 Denis Magda <dma...@apache.org>: > > > Dmitriy, > > > > It will break the current default behavior when data is evicted from the > > memory only, and I would disagree that it's a right decision overall. > > > > There are many scenarios when users need to have the eviction in the > memory > > layer and preserve data on disk for later usage. So, can we keep what we > > have now and merely expand the eviction to disk if the user requires it? > > > > -- > > Denis > > > > > > On Mon, Mar 12, 2018 at 1:35 PM, Dmitry Pavlov <dpavlov....@gmail.com> > > wrote: > > > > > Denis, > > > > > > I suppose there is no configuration will be required. If TTL configured > > > entry will be removed from disk & memory both. > > > > > > SIncerely, > > > Dmitriy Pavlov > > > > > > пн, 12 мар. 2018 г. в 23:32, Denis Magda <dma...@gridgain.com>: > > > > > > > Alexey, Dmitriy, > > > > > > > > What would be the configuration parameter that defines if the > eviction > > > > should happen in the in-memory layer only or in both memory and disk? > > > > > > > > -- > > > > Denis > > > > > > > > On Mon, Mar 12, 2018 at 9:22 AM, Alexey Goncharuk < > > > > alexey.goncha...@gmail.com> wrote: > > > > > > > > > Val, > > > > > > > > > > Yes, the entries will be removed from both memory and persistence. > > > > > > > > > > 2018-03-12 19:20 GMT+03:00 Valentin Kulichenko < > > > > > valentin.kuliche...@gmail.com>: > > > > > > > > > > > Alex, > > > > > > > > > > > > What is behavior going to be after IGNITE-5874 is fixed? Will > > expired > > > > > entry > > > > > > be removed from both memory and persistence? > > > > > > > > > > > > -Val > > > > > > > > > > > > On Sat, Mar 10, 2018 at 12:06 AM, Alexey Goncharuk < > > > > > > alexey.goncha...@gmail.com> wrote: > > > > > > > > > > > > > The ticket [1] is in patch available state looks good, the only > > > thing > > > > > > left > > > > > > > there is to transfer old entries to new storage. I hope Andrey > > will > > > > > have > > > > > > > time to finish this soon, so we can target the fix for 2.5. > > > > > > > > > > > > > > [1] https://issues.apache.org/jira/browse/IGNITE-5874 > > > > > > > > > > > > > > 2018-03-09 22:51 GMT+03:00 Denis Magda <dma...@apache.org>: > > > > > > > > > > > > > > > Val, > > > > > > > > > > > > > > > > I'd like to hear Alexey G. opinion on this? Alex, please > chime > > > in. > > > > > > > > > > > > > > > > In general, the more deployments the persistence will get the > > > more > > > > > > demand > > > > > > > > we will see for that capability. Personally, I'd create a > > ticket > > > > for > > > > > > now > > > > > > > > and put it off to our backlog. > > > > > > > > > > > > > > > > -- > > > > > > > > Denis > > > > > > > > > > > > > > > > > > > > > > > > On Fri, Mar 9, 2018 at 9:34 AM, Dmitriy Setrakyan < > > > > > > dsetrak...@apache.org > > > > > > > > > > > > > > > > wrote: > > > > > > > > > > > > > > > > > On Fri, Mar 9, 2018 at 3:43 AM, Dmitry Pavlov < > > > > > dpavlov....@gmail.com > > > > > > > > > > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > As far as I know there is no plans. Denis please correct > me > > > if > > > > > I'm > > > > > > > > wrong. > > > > > > > > > > > > > > > > > > > > But users found these or similar bugs, it seems we need > to > > > > > support > > > > > > > PDS > > > > > > > > > and > > > > > > > > > > TTL. > > > > > > > > > > > > > > > > > > > > > > > > > > > > We should either support it or throw a clear exception on > > > > startup > > > > > > > > clearly > > > > > > > > > stating that it is not. I suppose, it should be the latter > > for > > > > now. > > > > > > > > > Dmitriy, any chance you can file a ticket for it? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >
